203015 (1999 YF3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1432485764 ± 5.66e-08
Semi-major axis (a)1.4869013235 AU ± 1.35e-09
Inclination (i)26.76201225° ± 8.74e-06
Long. of Asc. Node (Ω)298.87940585° ± 5.21e-06
Arg. of Perihelion (ω)147.12549698° ± 2.61e-05
Mean Anomaly (M)110.44395755° ± 2.49e-05
Mean Motion (n)0.5436120239°/day ± 7.39e-10
Perihelion dist (q)1.27390483 AU ± 8.42e-08
Aphelion dist (Q)1.69989782 AU ± 8.42e-08
Orbital Period1.81310611 yr ± 2.47e-09
Physical Parameters
H (abs. magnitude)18.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.413″
Uncertainty0
Orbit TypeAmor
MOID0.311927 AU
Observations Used314
Oppositions9
Arc Total1999-2020
First Observation Used1999-12-19
Last Observation Used2020-02-06
Observations (324)
Date Type RA Dec Mag Band Observatory
1999-12-19 10:27:10 C 08 59 13.71 +61 50 23.1 18.2 a 704
1999-12-19 10:49:37 C 08 59 09.47 +61 50 01.0 18.1 a 704
1999-12-19 11:11:50 C 08 59 05.38 +61 49 37.8 18.5 a 704
1999-12-19 11:34:16 C 08 59 01.21 +61 49 15.2 18.4 a 704
1999-12-19 11:56:22 C 08 58 57.06 +61 48 52.7 18.3 a 704
1999-12-20 01:08:34 C 08 56 37.65 +61 35 20.2 557
1999-12-20 01:15:16 C 08 56 36.26 +61 35 14.1 557
1999-12-20 01:21:57 C 08 56 34.96 +61 35 06.2 557
1999-12-20 03:25:23 C 08 56 11.65 +61 32 57.6 c 046
1999-12-20 03:27:25 C 08 56 11.30 +61 32 55.5 c 046
1999-12-20 03:29:57 C 08 56 10.80 +61 32 52.7 c 046
1999-12-20 03:32:29 C 08 56 10.32 +61 32 50.4 c 046
1999-12-20 09:02:00 C 08 55 12.23 +61 27 08.8 17.9 a 704
1999-12-20 09:23:52 C 08 55 07.95 +61 26 45.8 18.3 a 704
1999-12-20 09:45:44 C 08 55 03.70 +61 26 23.4 18.7 a 704
1999-12-20 10:08:03 C 08 54 59.42 +61 25 59.2 18.8 a 704
1999-12-20 10:29:58 C 08 54 55.33 +61 25 36.4 18.7 a 704
1999-12-20 23:57:31 C 08 52 28.65 +61 10 50.5 595
1999-12-21 00:07:18 C 08 52 26.84 +61 10 39.7 595
1999-12-21 00:21:52 C 08 52 23.97 +61 10 25.4 595
1999-12-21 00:46:21 C 08 52 19.30 +61 09 59.1 595
1999-12-22 00:15:19 C 08 47 55.50 +60 42 59.7 118
1999-12-22 00:17:38 C 08 47 55.04 +60 42 56.2 118
1999-12-22 00:23:51 C 08 47 53.74 +60 42 48.6 118
1999-12-22 20:38:04 C 08 44 02.44 +60 17 55.9 c 046
1999-12-22 20:39:55 C 08 44 02.32 +60 17 53.4 c 046
1999-12-22 20:42:49 C 08 44 01.69 +60 17 50.9 c 046
1999-12-22 20:47:29 C 08 44 00.75 +60 17 45.5 c 046
1999-12-22 21:07:23 C 08 43 56.99 +60 17 20.8 c 046
1999-12-23 00:40:08 C 08 43 14.26 +60 13 01.0 118
1999-12-23 00:43:37 C 08 43 13.61 +60 12 56.8 118
1999-12-29 17:07:22 C 08 10 44.21 +55 59 37.5 z 402
1999-12-29 17:09:10 C 08 10 43.80 +55 59 33.8 z 402
1999-12-29 17:10:59 C 08 10 43.52 +55 59 29.8 z 402
2000-01-01 05:55:58 C 07 58 17.50 +53 54 56.8 i 726
2000-01-01 06:00:57 C 07 58 16.05 +53 54 48.8 i 726
2000-01-03 08:16:16 C 07 48 12.67 +51 59 29.4 i 670
2000-01-03 09:12:12 C 07 48 01.04 +51 57 17.5 i 670
2000-01-03 11:19:09 C 07 47 34.92 +51 52 09.5 i 670
2000-01-04 07:20:28 C 07 43 42.50 +51 02 52.8 i 670
2000-01-04 09:42:02 C 07 43 13.82 +50 56 55.4 i 670
2000-01-04 10:47:09 C 07 43 00.50 +50 54 11.9 i 670
2000-01-04 22:29:07 C 07 40 47.71 +50 24 22.6 610
2000-01-04 22:35:06 C 07 40 46.50 +50 24 07.1 610
2000-01-04 22:41:07 C 07 40 45.29 +50 23 51.6 610
2000-01-04 22:47:07 C 07 40 44.08 +50 23 36.1 610
2000-01-04 22:53:06 C 07 40 42.87 +50 23 20.6 610
2000-01-05 23:56:19 C 07 35 58.52 +49 17 39.8 587
2000-01-06 00:06:40 C 07 35 56.54 +49 17 12.1 587
2000-01-07 03:07:56 C 07 31 00.36 +48 03 28.5 i 726